X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FInterfaceUtil.py;h=9537b2ba1de545d81f72a19e576c478bd59491f3;hb=e3f6b21b75b5d579ce3080a1f173828fc59270bf;hp=69d0a59680e18ca3e64f2391fea5ee4de27c5c1c;hpb=5d2ce55a8641a030ec6984089c51aa9313f46af1;p=csit.git

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 69d0a59680..9537b2ba1d 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -427,19 +427,21 @@ class InterfaceUtil(object):
         InterfaceUtil.tg_set_interfaces_udev_rules(node)
 
     @staticmethod
-    def update_all_interface_data_on_all_nodes(nodes):
+    def update_all_interface_data_on_all_nodes(nodes, skip_tg=False):
         """Update interface names on all nodes in DICT__nodes.
 
         This method updates the topology dictionary by querying interface lists
         of all nodes mentioned in the topology dictionary.
 
         :param nodes: Nodes in the topology.
+        :param skip_tg: Skip TG node
         :type nodes: dict
+        :type skip_tg: bool
         """
         for node_data in nodes.values():
             if node_data['type'] == NodeType.DUT:
                 InterfaceUtil.update_vpp_interface_data_on_node(node_data)
-            elif node_data['type'] == NodeType.TG:
+            elif node_data['type'] == NodeType.TG and not skip_tg:
                 InterfaceUtil.update_tg_interface_data_on_node(node_data)
 
     @staticmethod
@@ -837,3 +839,23 @@ class InterfaceUtil(object):
             vat.vat_terminal_exec_cmd_from_template("set_fib_to_interface.vat",
                                                     sw_index=sw_if_index,
                                                     vrf=table_id)
+
+    @staticmethod
+    def set_linux_interface_mac(node, interface, mac, namespace=None):
+        """Set MAC address for interface in linux.
+
+        :param node: Node where to execute command.
+        :param interface: Interface in namespace.
+        :param mac: MAC to be assigned to interface.
+        :param namespace: Execute command in namespace. Optional
+        :type node: dict
+        :type interface: str
+        :type mac: str
+        :type namespace: str
+        """
+        if namespace is not None:
+            cmd = 'ip netns exec {} ip link set {} address {}'.format(
+                namespace, interface, mac)
+        else:
+            cmd = 'ip link set {} address {}'.format(interface, mac)
+        exec_cmd_no_error(node, cmd, sudo=True)